The predominant color of emission nebulae is blue
Indicate whether the statement is true or false
FALSE
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According to the definition of “science” given in this chapter, which of the following do you think are sciences? Choose the letter of the first discipline on the list that you think is not a science. (The answer is open to debate!)
A. Geology B. Psychology C. Economics D. Anthropology E. Political Science F. Philosophy T. All are sciences
A proton and an electron are released from rest, with only the electrostatic forces being exerted. Which of the following statements must be true about them as they move toward each other? (There could be more than one correct choice.)
A) The electric potential energy of the system proton-electron keeps increasing. B) Their kinetic energy keeps increasing. C) The electric potential energy of the system proton-electron keeps decreasing. D) Their kinetic energy keeps decreasing. E) Their acceleration keeps decreasing.
A temperature change of 20°C corresponds to a Fahrenheit temperature change of
A) 68°F. B) 11°F. C) 36°F. D) 18°F.
What is the voltage across the fuse that was left in the circuit? Explain your answer. V = ___________
Fill in the blank(s) with correct word